Underfolio

Every trading day › 1981

The stock market on January 20, 1981

January 20, 1981, a Tuesday. The S&P 500 fell 2.02% to close at 131.65. Of 4,704 US stocks that traded, 741 rose and 2,438 fell.

The S&P 500-2.02%closed at 131.65
How big a move#1,641of 24,799 trading days since 1928
$100 in the index since$5,852price only, to September 24, 2026
Stocks that rose741of 4,704; 2,438 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Sterling Drug (STY)+2.9%
Cox Communications Inc -old (COX.)+2.6%
Placer Dome Inc (PDG)+2.5%

Biggest falls among the 500 largest companies

Cray Research (CYR)-7.1%
Sedco (SED)-6.9%
Occidental Petroleum (OXY)-6.7%

Stock moves count dividends; the index is price only. Market values after 2024 are estimates.

‹ January 19, 1981 · Every January 20 · January 21, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.